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Partial researchResearch snapshot 2026-09-13. Evidence gaps remain; see Coverage for requirements.

Office briefing

MANZANILLO — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · MANZANILLO / COLIMA · municipal · Municipal governmentMX-M-6-8

Read the complete original research briefing

INE result distributions kept separate. Certified seats, supplementary elections, coalition and boundary audit remain.

1. What office, where, and when is the next election?

Geography
MANZANILLO / COLIMA
Next election
2027-06-06
Linked upcoming event
next-e31a531e682ba77cb44ae33f
Registry qualification
Unknown

2. How certain is that date?

2027-06-06 is expected (not formally called). Day precision. A date without a formal call is not confirmed.

3. Who won earlier selected elections?

2024

Special · Legal certification not established · candidate marks

  • PVEM_PT_MORENA52.7%
  • PAN_PRI20.6%
  • MC17.5%
  • FPM3.0%
  • PRD1.3%
  • PNA1.1%
  • PES1.0%
Results for event-bf9615a6c0649b4ede86dfd8
Label / candidateParty codeVotesShareSeatsStatus
PVEM_PT_MORENAmexico/S44cb9c2410/202443,31052.7%UnknownRecorded
PAN_PRImexico/S44cb9c2410/202416,89320.6%UnknownRecorded
MCmexico/S44cb9c2410/202414,36217.5%UnknownRecorded
FPMmexico/S44cb9c2410/20242,4993%UnknownRecorded
PRDmexico/S44cb9c2410/20241,0741.3%UnknownRecorded
PNAmexico/S44cb9c2410/20248901.1%UnknownRecorded
PESmexico/S44cb9c2410/20248501%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA33.2%
  • PVEM23.7%
  • PAN_PRI_PRD23.5%
  • MC6.8%
  • PNA3.0%
  • FXM2.4%
  • PT2.3%
  • PES2.1%
  • RSP0.7%
Results for event-5c5a43b66a6a057a4d1ffadd
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Sc76231c729/202124,13133.2%UnknownRecorded
PVEMmexico/Sc76231c729/202117,21823.7%UnknownRecorded
PAN_PRI_PRDmexico/Sc76231c729/202117,07423.5%UnknownRecorded
MCmexico/Sc76231c729/20214,9296.8%UnknownRecorded
PNAmexico/Sc76231c729/20212,1783%UnknownRecorded
FXMmexico/Sc76231c729/20211,7532.4%UnknownRecorded
PTmexico/Sc76231c729/20211,6672.3%UnknownRecorded
PESmexico/Sc76231c729/20211,5122.1%UnknownRecorded
RSPmexico/Sc76231c729/20214890.7%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PT_MORENA_ES35.2%
  • PRI_PVEM30.7%
  • CAND_IND612.3%
  • PAN_PRD12.2%
  • MC4.3%
  • PANAL1.8%
Results for event-b86989b1a1ff9c1c8436b12c
Label / candidateParty codeVotesShareSeatsStatus
PT_MORENA_ESmexico/Sdba979cbcb/201829,67935.2%UnknownRecorded
PRI_PVEMmexico/Sdba979cbcb/201825,83430.7%UnknownRecorded
CAND_IND6mexico/Sdba979cbcb/201810,32612.3%UnknownRecorded
PAN_PRDmexico/Sdba979cbcb/201810,24912.2%UnknownRecorded
MCmexico/Sdba979cbcb/20183,6374.3%UnknownRecorded
PANALmexico/Sdba979cbcb/20181,5371.8%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

0 (recorded zero)0–100 historical closeness

Actual-event and/or comparability review incomplete

Comparison status: Provisional imported-series comparison; actual-event review open

Method ci.weighted-gap.v1. Inputs: latest_gap=33.071684318585845, oldest_gap=4.731608870074574, previous_gap=9.743343997970431

pedersen volatility

Provisional volatility

60.63percentage points

Grouped Pedersen lower bound (percentage points). Seven exact standalone INE party labels. Joint coalition combinations, independents and other parties remain Other, without allocating coalition votes. This coarse grouped comparison can conceal coalition-member shifts and requires the stated geographic/event review. An interval is withheld if either election has no list mapped to an explicit named group. This is aggregate share change, not individual voter switching. Event review: Actual-event and/or comparability review incomplete

Comparison status: Latest interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Latest interval, vectors=[[0,0,1.3445504394201158,0,0,17.979919377050003,0,80.67553018352987],[0,0,0,2.3495088159433974,24.26745218531099,6.947047962678468,34.01079618328142,32.42519485278572],[0,0,0,0,0,4.475646673722035,0,95.52435332627796]]

pedersen volatility

Provisional volatility

63.1percentage points

Grouped Pedersen lower bound (percentage points). Seven exact standalone INE party labels. Joint coalition combinations, independents and other parties remain Other, without allocating coalition votes. This coarse grouped comparison can conceal coalition-member shifts and requires the stated geographic/event review. An interval is withheld if either election has no list mapped to an explicit named group. This is aggregate share change, not individual voter switching. Event review: Actual-event and/or comparability review incomplete

Comparison status: Previous interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0,0,1.3445504394201158,0,0,17.979919377050003,0,80.67553018352987],[0,0,0,2.3495088159433974,24.26745218531099,6.947047962678468,34.01079618328142,32.42519485278572],[0,0,0,0,0,4.475646673722035,0,95.52435332627796]]

pedersen volatility

Provisional volatility

61.86percentage points

Grouped Pedersen lower bound (percentage points). Seven exact standalone INE party labels. Joint coalition combinations, independents and other parties remain Other, without allocating coalition votes. This coarse grouped comparison can conceal coalition-member shifts and requires the stated geographic/event review. An interval is withheld if either election has no list mapped to an explicit named group. This is aggregate share change, not individual voter switching. Event review: Actual-event and/or comparability review incomplete

Comparison status: Both intervals mean

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Both intervals mean, vectors=[[0,0,1.3445504394201158,0,0,17.979919377050003,0,80.67553018352987],[0,0,0,2.3495088159433974,24.26745218531099,6.947047962678468,34.01079618328142,32.42519485278572],[0,0,0,0,0,4.475646673722035,0,95.52435332627796]]

Source-reported control: Unverified. Current tenure requires separate dated evidence.

5. Officeholder evidence

Dated roster observations are not automatically current tenure. The source current-office flag means this office is tracked now, not that the last winner still holds it.

No officeholder observation supplied.

6. Polling context

No local poll supplied.

7. Unresolved issues and sources

No open research issues attached to this office.

Sources

Cite this record

Center for Digital Democracy. “MANZANILLO — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-6-8. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S44cb9c2410, mexico--Sc76231c729, mexico--Sdba979cbcb.